142442503144044 has 12 divisors (see below), whose sum is σ = 332365840669464. Its totient is φ = 47480834381344.

The previous prime is 142442503143911. The next prime is 142442503144049. The reversal of 142442503144044 is 440441305244241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142442503143987 and 142442503144005.

It is not an unprimeable number, because it can be changed into a prime (142442503144049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5935104297657 + ... + 5935104297680.

It is an arithmetic number, because the mean of its divisors is an integer number (27697153389122).

Almost surely, 2^{142442503144044} is an apocalyptic number.

It is an amenable number.

142442503144044 is an abundant number, since it is smaller than the sum of its proper divisors (189923337525420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142442503144044 is a wasteful number, since it uses less digits than its factorization.

142442503144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11870208595344 (or 11870208595342 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 42.

Adding to 142442503144044 its reverse (440441305244241), we get a palindrome (582883808388285).

The spelling of 142442503144044 in words is "one hundred forty-two trillion, four hundred forty-two billion, five hundred three million, one hundred forty-four thousand, forty-four".